ECA-2AHG471B Capacitors

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Aluminum electrolytic capacitors are classified as polarized capacitors and are the most commonly used capacitors available today. The ECA-2AHG471B is a type of aluminum electrolytic capacitor that falls into this classification. Its application field and working principle are explained in this article.

Working Principle

Aluminum electrolytic capacitors are constructed utilizing an anode and a cathode separated by a dielectric material, most commonly an aluminum oxide layer. The anode consists of an aluminum plate that is rolled into a ‘spiral’ shape and is then filled with a liquid or gel-like electrolyte. This usually contains dissolved salts. The cathode is created by depositing a layer of aluminum on the base of the anode, giving it two electrical contacts. The anode and cathode are separated by a thin layer of dielectric material, usually an aluminum oxide layer. This layer acts as the insulating media that stores an electrical charge when a voltage is applied.

Application Field

Aluminum electrolytic capacitors are highly suited for power line filtering applications where strong suppression of high-frequency noise is required. The ECA-2AHG471B combines the advantages of low leakage current and high capacitance, making it suitable for use in power supplies, and devices such as power line EMI filters, TV flyback windings, and SPDs (surge protection devices). The ECA-2AHG471B also has a long service life, which makes it beneficial in applications where a single capacitor must operate reliably over its entire life cycle, such as in motor drives and other long-term applications.

In addition, the ECA-2AHG471B is also used in circuit applications where high voltage or high temperature are present. The capacitor is designed to resist temperatures of up to 105 degrees Celsius, providing reliable performance over extended periods in even the harshest environments. This makes it a suitable candidate for use in a variety of industrial, medical, and aerospace applications.

Conclusion

The ECA-2AHG471B is a type of aluminum electrolytic capacitor with a wide range of possible applications. It combines the advantages of low leakage current and high capacitance, making it suitable for use in power line filtering applications, as well as in motor drives and other long-term applications. Additionally, it provides reliable performance in harsh environments, offering excellent performance in temperatures of up to 105 degrees Celsius. The ECA-2AHG471B is a versatile and practical capacitor that is suitable for a variety of applications.

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